The Detection of Malingered Posttraumatic Stress Disorder with MMPI-2 Fake Bad Indices

This investigation explored the effect of posttraumatic stress disorder (PTSD) simulation on Minnesota Multiphasic Personality Inventory-2 (MMPI-2) responses, to detect malingered from genuine PTSD. Sixty-four adult PTSD outpatients at a child sexual abuse (CSA) survivor treatment program were compa...

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Published inAssessment (Odessa, Fla.) Vol. 8; no. 2; pp. 221 - 236
Main Authors Elhai, Jon D., Gold, Steven N., Sellers, Alfred H., Dorfman, William I.
Format Journal Article
LanguageEnglish
Published Thousand Oaks, CA SAGE Publications 01.06.2001
Subjects
Adult
Diagnosis, Differential
Discriminant Analysis
Female
Humans
Male
Malingering - diagnosis
Middle Aged
MMPI
Stress Disorders, Post-Traumatic - diagnosis
Surveys and Questionnaires
malingering
Posttraumatic Stress Disorder
MMPI-2
child sexual abuse
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Summary:This investigation explored the effect of posttraumatic stress disorder (PTSD) simulation on Minnesota Multiphasic Personality Inventory-2 (MMPI-2) responses, to detect malingered from genuine PTSD. Sixty-four adult PTSD outpatients at a child sexual abuse (CSA) survivor treatment program were compared with 85 adult college students instructed and trained to malinger PTSD. MMPI-2 overreporting indices examined were F, I F-Fb l, F-K, F(p), Ds2, O-S, OT, and FBS. A stepwise discriminant analysis identified F(p), F-K, and O-S as the best malingering predictors. A predictive discriminant analysis yielded good hit rates for the model, with impressive cross-validation results. Cutoff scores were assessed for the model's predictors. Clinical implications for detecting malingered PTSD using the MMPI-2 are discussed.
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ISSN:1073-1911
1552-3489
DOI:10.1177/107319110100800210